Vendor Q&A_13Feb.docx

Vendor Questions

1. What is the application for the Wet Dust Collector?

The Government is unclear about the intent of the question. The Wet Dust Collector must be able to operate in a variety of environments with multiple materials and there is not a specific unique application or defined material for collection.

1. What is the external static pressure?

The Government is unclear about the intent of the question. The Wet Dust Collector operates in an open shop environment with regular barometric air pressure.

1. Is there any way to modify/relax the specified restrictions of 4’ wide footprint constraints?

Footprint can go up to 5’ wide.

1. Is an Airfoil aluminum design blower wheel a strict requirement or is a backward inclined wheel allowable?

A backward inclined, spark-resistant blower wheel would be permitted as long as it performs to the same standard as the Airfoil design wheel.

1. Please clarify if the Merv 11 prefilter is a prefilter right in front of the HEPA filter.

Yes, Merv 11 prefilter is in front of HEPA filter.

1. Are units constructed from #304 Stainless steel on all parts that touch water and powder coated mild steel on the exhaust components that don’t touch water acceptable construction if stainless steel components do not require a Dura-Plate coating since the stainless steel by itself protects against corrosion?

Any part that touches water will need #304 stainless steel. Parts that do not touch water could be powder coated mild steel.

1. If the a product includes an interior coating on mild steel construction and uncoated on 304SS Construction (exterior is painted), which is the desired quote?

304SS Construction

1. If the proposed solution has controls for NFPA 484 compliance have VFD as standard, which is an upgrade to the specifications, is this acceptable?

Yes

1. If the proposed solution has controls for NFPA 484 compliance have VFD as standard, which is an upgrade to the specifications, is this acceptable?

Yes

1. In the SOW there is no mention of connection to a water supply? Is the Government providing this connection?

Government will not provide water connection.

1. Is there a drawing of the Clemco Blast Barn we are connecting to? Is there duct that makes this connection. I need more detail on how we connect to the Clemco booth to insure we have factored in all required material.

There is a Duct that makes the connection.